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how to differentiate tuberculous bone lesion in spine from metastatic ones on Tc 99m MDP bone scan?

In our setting large number of active bone lesions on MDP bone scan are wrongly labeled as metastatic. Can we improve the specificity of tuberculous bone lesion on radioisotope bone scan?

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  • 1 decade ago
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    That is difficult, but i know in our clinic, mets is usually called when a lesion is found else where in the skeleton as well as the spine or skull. If there is a couple of lesions in the ribcage area and nowhwere wlse, our docs take the time to research the patient history and call it from there. And, if still unsure, then they will recommend a follow up.

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  • 1 decade ago

    I agree with mystery angel. It can be difficult but the primary lesion with be focal without mets.

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